#!/usr/bin/env python

from pylab import *

d = loadtxt('OS_1_1.txt')

#plot(d[:,0], '.--', label='0')
#plot(d[:,1], '.--', label='1')
#plot(d[:,2], '.--', label='2')
#plot(d[:,3], '.--', label='3')

plot(d[:,4], '.--', label='4')
plot(d[:,5], '.--', label='5')
plot(d[:,6], '.--', label='6')
plot(d[:,7], '.--', label='7')


legend(loc='best')

show()
